Sagot :
Answer:
A.
1. 9 + 10 = 19
2. -7 + (-5) = -7 - 5 = -12
3. 5 + (-6) = 5 - 6 = -1
4. 2 + 8 = 10
5. -1 + 10 = -9
6. -3 + (-3) = -3 -3 = -6
7. 4 + (-8) = 4 - 8 = -4
8. -8 + 12 = 4
9. -11 + (-11) = -11 - 11 = -22
10. 0 + (-9) = 0 - 9 = -9
B.
1. 7 - 4 = 3
2. -2 - (-6) = -2 + 6 = 4
3. 10 - (-3) = 10 + 3 = 13
4. -6 - 9 = -15
5. -10 - 11 = -21
6. -4 - (-4) = -4 + 4 = 0
7. 5 - 10 = -5
8. -12 - 7 = -19
9. 8 - 6 = 2
10. 0 - (-9) = 0 + 9 = 9
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